export declare class PerformanceOptimizer {
    private frameBudget;
    private lastFrameTime;
    private animationFrameId;
    private isOptimizing;
    private lastUpdate;
    private minUpdateInterval;
    private updateQueue;
    private isProcessingQueue;
    private cleanupThreshold;
    private gcInterval;
    constructor();
    scheduleOptimizedUpdate(updateFn: () => void): void;
    private processUpdateQueue;
    private getTimeRemaining;
    optimizeMemory(cleanupFn: (startIndex: number, endIndex: number) => void, visibleRange: {
        start: number;
        end: number;
    }): void;
    enableGPUCssAcceleration(element: HTMLElement): void;
    disableGPUCssAcceleration(element: HTMLElement): void;
    getOptimizationProfile(): {
        frameRate: number;
        batchSize: number;
        bufferMultiplier: number;
        updateInterval: number;
    };
    private isLowEndDevice;
    private setupPerformanceMonitoring;
    getPerformanceInsights(): {
        frameRate: number;
        memoryUsage: number | null;
        updateFrequency: number;
        optimizationActive: boolean;
    };
    private getMemoryUsage;
    cleanup(): void;
}
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